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Solar flares from active region 6946
C11
M3
X0
LargestM5.71991-11-30
Span7 days
Flares by day
1
5
2
5
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1991-11-29 | 04:37 | 04:42 | 33 | C1.8 | S07E55 | 6946 |
| 1991-11-30 | 03:44 | 03:49 | 7 | M5.7 | – | 6946 |
| 1991-11-30 | 13:41 | 13:45 | 17 | C3.9 | S08E41 | 6946 |
| 1991-11-30 | 16:42 | 16:47 | 13 | C1.9 | S08E42 | 6946 |
| 1991-11-30 | 17:17 | 17:20 | 18 | C3.4 | S08E39 | 6946 |
| 1991-11-30 | 19:25 | 19:36 | 37 | M1.0 | S07E38 | 6946 |
| 1991-12-01 | 02:04 | 02:28 | 92 | M3.0 | S09E38 | 6946 |
| 1991-12-01 | 19:03 | 19:07 | 20 | C2.8 | S07E27 | 6946 |
| 1991-12-02 | 02:33 | 02:34 | 27 | C1.4 | S11E26 | 6946 |
| 1991-12-02 | 12:09 | 12:19 | 51 | C2.9 | S10E18 | 6946 |
| 1991-12-02 | 14:07 | 14:11 | 17 | C4.9 | S09E19 | 6946 |
| 1991-12-02 | 15:01 | 15:02 | 51 | C3.9 | S10E19 | 6946 |
| 1991-12-02 | 17:43 | 17:50 | 22 | C3.6 | S09E17 | 6946 |
| 1991-12-05 | 09:19 | 09:21 | 4 | C4.5 | S10W22 | 6946 |
All times UTC. Until June 2017 classes are NOAA's reports of the time (GOES-15 and earlier included a 0.7 scaling factor); later classes come from calibrated GOES-16/18 data, so the same flare reads about 1.4× larger. Do not compare the two periods directly.
About this page
NOAA active region 6946 produced 14 C+ flares between 1991-11-29 and 1991-12-05.